diff --git a/project/build.properties b/project/build.properties
index d8f797834..2b4fb2038 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -14,4 +14,4 @@
 # the License.
 #
 
-sbt.version=0.13.5
+sbt.version=0.13.9